如今燕麦(mài )草、小杂(zá )粮、覆(fù )膜马铃(líng )薯等耐旱作物“当(dāng )家(jiā )”,以水(shuǐ )定粮改变了察(chá )汗淖尔湿(shī )地周边(biān )农业形态。庞学(xué )峰给记者算了(le )一笔账:种植燕麦草,只搞“雨养”农业(yè ),不使用(yòng )地(dì )下水。成本下降,加(jiā )上轮作和“水改旱”补贴,亩效益可比种甜(tián )菜增加200元人民币左右。
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